.remark {
  position: relative;
}

.remark:hover div {
  display: block;
}

.remark div {
  background: #fff;
  position: absolute;
  display: none;
  z-index: 999;
}

.GitHub-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
}
